What is the simplified form of x+5/3x+4 + x+4/x+3

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Fast! find the length of cu. the triangles are similar. show your work.